Home / 34,107.39-47,064.78-18,999.45

Finding the Fourth Proportional to 34,107.39, 47,064.78 and 18,999.45

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Solution

The fourth proportional to 34,107.39, 47,064.78 and 18,999.45 is: 26,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.39 : 47,064.78 = 18,999.45 : x
  2. Step 2: Convert to fraction form
    34,107.39/47,064.78 = 18,999.45/x
  3. Step 3: Cross multiply
    34,107.39x = 47,064.78 × 18,999.45
  4. Step 4: Simplify right side
    34,107.39x = 894,204,934.37
  5. Step 5: Solve for x
    x = 894,204,934.37/34,107.39
  6. Step 6: Final answer
    x = 26,217.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.